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BW1
10W1
Subwoofers
12W1
owner's
manual
Con~ratulations
OJI
your
purcbase
of
a./L
Audio
subl1'OQ/er
componenl.
Your./L
Audio
sulJll'Oofer
is
a
precL\'ion
louc6jJeaker
/lhicb
bas
been
en~illeered
to
produce
the
bip,lJest
qualitv
sub-ba,ls
peljormcllIce
ill
your
I'ebicle.
Autborized./L
Audio
dealers
ba!'e
extensite
technical
injormation
jar
many
d!/rerent
applications
a/your
neu'
:'jJeaker.
Tbey
also
bate
the
kno/l'!ed~e.
skills
and
tools
to
build
a
bi~b-quali~)'
enclosure
tbat
/l'ill
ma.rimize
tbe
perJ{mllCllIce
of
your
:,peakel:
We
bi~b!-J'
recommend
that
you
bate
your
enclosure
built
~)I
CIlI
authorized./L
Audio
dealer
Inside
you
ltilljimi
specilicati01ls
and
tl1'O
recommended
enclosures
jar
your
speaker:
one
L\'
a
sealed
enclosure.
the
other
is
a
ported
des~f!,n.
Both
~J'fJes
Qf
enclosures
lefll
~il'e
you
excellent
souNd
quali~v
and
IO/l'Fequen(v
exteNsioli.
Tbe
sealed
enclosure
l~'
a
better
cboice
ifspace
is
e.rtrernel-J'
t~f!,bt.
but
the
ported
ellclosure
Il'ilI
produce
jdE
more
output
at
tbe
same
pou'er
ij)'ou
bCll'e
the
extra
space
to
ll'Ork
ltitb.
[{you
decide
to
build
one
Q{
tbese
eJlclosures
yourself
you
must
bare
the
construction
of
the
bo.r
inspected
and
appro!'ed
~l'
your
autborized.!L
Audio
dealer
in
orderIor
the
1
year
limited
l('({rrCIlI~)'
to
be
!'ct/id
Please
read
the
/l'arrml~l'
information
CClr~flll!-y
JL
JLAL...I:JO
Mounting Hole Diameter:
Driver
Displacement:
SUBWOOFER
SPECIFICATIONS
SUBWOOFER:
8WI-4
8WI-8
IOWI-4
IOWI-8
12WI-4
12WI-8
Free
Air
Resonanceif~:
...
33.2
Hz
35.7 Hz 23.6
Hz
23.5
Hz
22.3
Hz
24.0
Hz
---
--------
-
~-------
0.414 -
....
-r
- 0.422
1--
0
.433
1---0.5-1-8
10.519
__
ElectrL~L"Q"
(Q~~:j
0.~_~5L
~
---l-
--'--
_
Mechanical
"Q" (Qms): ' I
1.50
6.247 6.673 6.740 8.255 8.897
Total
Speaker"Q"
(Q.~
0.345 0.385
~
__
Q.397
__
.1
0.407 L 0.487 T-.
-0.496-_-_.
j--I
Equiv.
Compliance
(Vas):
0.90
ft'
0.78
ft'
3.36
ft1
3.12
ft
6.22
ft
6.26
ft
25.5 litres
22.1
Iitres
95.2litres 88.4 litres 176.2
litres
177.3
litres
One-way,
Linear
EX~~~:;
i-
~
..
~8~~
~
..
~8~~
-~:~--
~
..
~I~;--T-
__
~~~~I~_~
--!-
__
~:~l~;
[--~~I~~
_
-E-n-ect~:c~~~~1JA:~I~~;~i-~6~j-~----··--
-·j6.}~~-T--
~~'.~
~n~--T---~~~~
~~---T
~~'.~
~~
.
~~.~
~n~
, 0.0198
m'
0.0198 m
2
I 0.0334 m
2
i 0.0334 m
2
I_O.0~06
rr(
__
J
0.Q5_Q.6_
rn
_
2
--+----1
DC
Resistance
(Re):
3.34Q 6.89 3.65Q
703Q
3.65Q 7.03Q
Nomina~~dallc~:]
4Q _
--§f!_-_L_
'}ri--
.
-------SQ·
~-]_=~=~4Q
------=-~
_
_=_
8n
--
Pe>""~
Han,d!Lnz.(c.e>n_tinlJg.lJ.sJ:
IOOW
100W I 125W 125W 125W 125W
1--
M_o_u_n_ti_ng_D_e_pt_h_:
-+-_._.
_.~_-:_.~_-_~
__
._--
...
_---+--
__
~9_·7_~~J 1,3~~~
-I
_~~;_l
~5~~
1
~;5~:_
7.0
in
7.0
In
9.125
in
9.125
in
I
1.0
in
I
1.0
In
178
mm
178
mm 232 mm 232 mm 279 mm 279 mm
0.Q25
ftJ
0.Q25
ftJ
0.040
fti
0.040
ftJ
0.057
ftJ
0.057
ft3
0.7 litres 0.7 litres
1.1
litres
1.1
litres
1.6
litres
1.6
litres
*Efficiency
(IWllm)
is
not an accurate indicator
of
a subwoofer's output capability
and
should not
be
used as a comparison
to
other subwoofers
to
determine which
one
is
"louder", All other specifications remain the same.
HIGH
PRAISE
FORTHE
aWl
AND
IOWI
The
JL
Audio
8W
1was ranked # I
by
CarAudio
and Electronics magazine
in
a test
of
three eight-inch
subwoofers:
"In
the Camaro, we were impressed
by
the
sub's
well
defined sound:'
"Of
the three 8-inch subs.
the
JL
8W
1-4
was tops
in
maximum output."
"Its
response was
the
smoothest and offered the
best bass extension
of
the
8-inch subs tested"
Quotes
from
the
March 1997 issue
used
with permission
of
CarAudio and Electronics magazine.
2
The
JL
Audio lOWI was ranked # I
by
Car Audio and
Electronics magazine
in
a test
of
eight ten-inch
subwoofers:
'Whatever
you want a subwoofer
to
do.
JL
Audio's lOW I does
it
superbly"
"It
produced
the
highest
SPL
at 30Hz and
the
second-
highest at 25 and 30
Hz,
a
particularly impressive performance
considering that
the
JL
Audio sub was
in
the
second-
smallest box
in
this test."
Quotes
from
the
July
1993 issue used with
permission
of
CarAudio and Electronics magazine.
..JL
AUDIO
aW1/10W1/12W1
RECOMMENDED
ENCLOSURES
SUBWOOFER
SEALED
ENCLOSURE
PORTED
ENCLOSURE
Volume
External Dimensions
Volume External Dimensions Port
(net
Int.)
Idth
x
Height
x
Depth)
e-.0et
Int.l
(WIdth
x
Height
x
Depth)
(Inside
D,ameter
x
Leng!h.l
8WI·4
0.30
ft3
16"
X
9"
X
6.75"
0.75
ftJ
15"
X
9"
X
15.5"
2.5"
X
12.5"
S.5
litres 406mm X 229mm X
171
mm
21.2
litres
381
mm X 229mm X 394mm 64mm X 318mm
---+--
---
8WI·8
0.30
ft
16"
X
9"
X
6.75"
0.75
ft
15"
X
9"
X
15.5"
2.5"
X I
1.75"
S.5
litres 406mm X 229mm X
171
mm
~2
'":r
~81
mm X 229mm X 394mm
64mm X 297mm
IOWI·4
0.75
ftJ
IS"
X 1I" X
10.25"
1.5
ftJ
I
8"
X I
3"
X
16"
-I
3"
X I
IS'
21.2
litres 457mm X 279mm X 260mm
42.5
litres
457mm X 330mm X 406mm 76mm X 292mm
0.75
ftJ
IS"
X I I" X
10.25"
1.375
ft
IS"
X
13"
X
15"
3"
X
12.75"
IOWI-8
21.2
litres
457mm X 279mm X 260mm
3S.9litres 457mm
X 330mm X
3S1
mm 76mm X 323mm
I
1
~
12WI-4
1.50
ft3
IS"
X
14"
X
14.5"
2.50
ft3
20"
X
15"
X
20"
4"
X
12.25"
42.5
litres 457mm X 356mm X
36Smm
70.8litres 508mm X
3S1
mm X 50Smm
102mm
X 312mm
I2WI-8
1.50
ft'
I
S"
X
14"
X
14.5"
2.75
ft
22"
X
15"
X
19.5"
4"
X
9.5"
42.5
litres
457mm X 356mm X
36Smm
77.9Iitres
559mm
X
3S1
mm X 495mm
102mm
X 244mm
0/=/~
fQ;)v
1--
0-
1
1
III
CAUTION
III
Prolonged
exposure
to
sound
pressure
levels
In
excess
of
I
OOdB
can
cause
permanent
heanng
loss.
This
high-performance
speaker
can
exceed
thiS
level.
Please
exercise
restraint
In
its
operation
In
order
to
preserve
your
ability
to
enJoy
its
fidelity
When
installing
a
subwoofer
in
your
vehicle.
It
is
extremely
Important
to
secure
the
enclosure
firmly,
We
recommend
bolting
the
enclosure
through
the
metal
of
the
floorpan
or
the
frame
of
the
vehicle
with
large
diameter
washers
for
reinforcement.
If
an
enclosure
IS
not
firmly
attached.
it
can
become
a
projectile
In
a
colliSIOn.
ThiS
IS
particularly
important
In
a
hatchback.
station
wagon.
sports
utility
vehicle.
or
van
.
•
The
enclosure recommendations
listed
above
are
external
dimenSions
which
assume
the
use
of
3/4"
(19mm) thick
matenal.
Ifyou
are
uSing
5/8" (16mm) thick
matenal.
subtract
1/4"
(6.5mm) from
each
dimenSion.
Do
not
use
any
matenal
With
a
thickness
of
less
than 5/8"
(16mm)
as
thiS
may
compromise the ngldity
of
the enclosure.
•
All
enclosure volumes listed above
are
net
internal volumes! Dnver displacement.
port
.JL
AUDIO
BW1/1DW1/12W1
displacement
and
brace
displacement must
be
added
to
obtain the
final
gross
Internal volume.
All enclosure
dimensions
above
have
already
taken
thiS
Into
acount.
•
When
uSing
multiple subwoofers
In
a
common enclosure you will need
to
recalculate the enclosure and
port
dimenSions.
For
assistance
please
contact
your
authOrIZed
JL
AudiO dealer
or
JL
AudiO
Technical
Support
at
954-443- I
100
.
• We recommend the
use
of
thiS
speaker
In
a
bi-amplified
system
uSing
high-quality satellite
speakers
and
a high-quality
amplifier.
We
do
not recommend the
use
of
thiS
subwoofer
with a
passive
crossover (coil).
as
thiS
type
of
deVice
will
adversely
affect
performance.
• All speCifications
are
subject
to
change
Without notice.
3
RECOMMENDED
CONTINUOUS
(RMS)
POWER
RANGE
FOR
ONE
SUBWOOFER
DRIVER:
-
30W
BW1
I
60W
1 2 W 1
-~
~-~~~~~-_._.-
10W1
12SW
2S0W
SOOW
LEGEND
MINIMUM
OPTIMUM
MAXIMUM
WARRANTY
VOID
MEDIUM GRAY (MINIMUM):
From a reliability standpoint, this
zone
represents
a very
comfortable
operating
power
range for each driver. This
level
of
power
will
not
stress the
woofer
but
will
not
extract
all
of its performance potential, either.
Use
of
less than
the
minimum
power
level
will
not
damage
the
woofer,
but
may result
in
unsatisfactory performance.
LIGHT
GRAY
(OPTIMUM):
This
zone
represents
the
best compromise
between
long-term reliability, high-output and
low-distortion performance and
is
centered
on
each woofer's continuous
power
rating (as
published
in
its specifications).
In
this zone,you
will
be taking
full
advantage of
the
woofer's
optimum, low-distortion performance range
without
undue risk
of
failure.
DARK GRAY (MAXIMUM):
In
this
zone.
low-distortion
output
and
long-term reliability
will
be
compromised
(especially
by
an aggressive user). Slightly
more
SPL
will
be gained
by
pushing
the
power
into this
zone,
but
typically
not
more
than 2dB,
compared
to
the
light gray zone.
The
closer
you
are
to
the
black
zone,
the
higher
the
likelihood
of
driver
failure.
Operate
with caution.
BLACK
(WARRANTY
VOID):
We
do
not
recommend
operating
woofers
at
this level
of
power.
In
this
zone,
there
is
a very high probability
that
the
driver
will
fail
due
to
excessive
heat
and/or
mechanical stress.
Subwoofer
drivers
operated
at
these
levels
of
power
are
NOT
covered
under
warranty.
JL
Audio
offers
an
extensive
line
of
high-performance
subwoofer
drivers
to
fit a
wide
variety
of
enclosure
and
power
applications.
When
designing
systems
with
our
drivers,
it
is
very
important
to
achieve
a
good
power
match
between
the
subwoofer
amplifier
and
the
subwoofer
driver's
capabilities.
The
power
levels listed
in
the
above
chart
represent
continuous
(RMS)
amplifier
power
per
woofer
and
assume
that
the
user
will
regularly
make
full
use
of
that
power
without
drastically
overdrlvlng
the
amplifler(s).
Make
sure
you
factor
system
impedance
and
the
total
number
of
subwoofers
into
your
calculations.
Adhering
to
these
power
recommendations
will
result
in
systems
that
are
both
reliable
and
enjoyable.
JL
AUDIO
LIMITED
WARRANTY
(USA)
Automotive Subwoofer
Components
JL
AUDIO warrants this speaker
to
be free
of
defects
in
materials and workmanship for a period
of
one
(I)
year from
the
original date
of
purchase, contingent
upon installation being perfonmed
or
approved
by
an
authorized
JL
AUDIO dealer;
in
writing, on
the
original sales receipt. If
the
preceding
condition
is
not
met,
the
warranty
term
is
limited
to
ninety
(90)
days
from
the
original
purchase
date.
This
warranty
is
not transferrable and applies only
to
the
original purchaser
of
the
product from an authorized
JL
AUDIO dealer: Should service be necessary
under this warranty for any reason due
to
manufacturing defect
or
malfunction,
JL
AUDIO
will,
at
its
discretion, repair
or
replace
the
defective product with new
or
remanufactured product at no charge.
Damage caused
by
the
following
is
not covered under warranty: accident, misuse, abuse, product modification
or
neglect,
failure
to
follow installation instructions,
unauthorized repair attempts, misrepresentations
by
the
seller:
This warranty does not cover incidental
or
consequential damages and does not cover
the
cost
of
removing
or
reinstalling
the
unit(s). Cosmetic damage due
to
accident
or
nonmal
wear
and
tear
is
not covered under warranty.
Any
applicable
implied
warranties are
limited
in
duration
to
the
period
of
the express warranty
as
provided herein beginning with
the
date
of
the
original
purchase at
retail,
and no warranties, whetherexpress
or
implied,
shall
apply
to
this product thereafter: Some states do not allow limitations on
implied
warranties,
therefore these exclusions
may
not
apply
to
you.
This
warranty
gives
you
specific
legal
rights,
and
you
may
also
have
other
rights
which vary from state
to
state.
If
you
need
service
on
your
JL
AUDIO
product:
All
warranty returns should be sent
to
JL
AUDIO freight prepaid through
an
authorized
JL
AUDIO dealer and must be accompanied
by
proof
of
purchase (a copy
of
the
original sales receipt.) Direct returns from consumers
or
non-authorized dealers
will
be refused unless
specifically
authorized
by
JL
AUDIO
with a
valid
return authorization number: Warranty expiration
on
products returned without proof
of
purchase
will
be determined from
the
manufacturing date
code. Coverage
may
be invalidated
as
this date
is
previous
to
purchase date. Return only defective components. Non-defective items received
will
be returned freight-
collect. Customer
is
responsible for shipping charges and insurance
in
sending
the
product
to
JL
AUDIO Freight damage on returns
is
not covered under warranty.
Always include proof
of
purchase (sales receipt).
For
Service
Information
in
the
U.S.A.
please
call:
JL
Audio
customer
service: (954)
443-1
100
during normal business hours (Eastern Time)
JL
Audio,
Inc
10369
North
Commerce
Parkway.
Miramar;
FL
33025
International
Warranties:
Products purchased outside
the
United States
of
America are covered only
by
that country's distributor and not
by
JL
Audio,
Inc.
Printed
in
USA
JL8-12WI-03-2003
/
